** Changed in: linux-mako (Ubuntu)
Status: New = Confirmed
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Title:
[mako] can not create an ad-hoc network
To manage notifications about
As far as the errors from the driver goes, the first one I see is could
not activate Heartbeat timer (not sure yet what the heartbeat timer
does, perhaps expiring peer STAs in the IBSS network when beacons aren't
seen for some period). This is printed using some internal logging
functions and has
Same error for OEM phones:
phablet@ubuntu-phablet:~$ nmcli c up uuid aab22b5d-7342-48dc-8920-1b7da31d6829
Error: Timeout 90 sec expired.
I attach the syslog. NM fails with the same reason:
Jul 11 09:29:59 ubuntu-phablet NetworkManager[1456]: warn Activation
(wlan0/wireless): Ad-Hoc network
By the way, here's the mako WiFi driver version info logged in the
kernel:
wlan: WCNSS WLAN version 1.4.1.2
wlan: WCNSS software version 201038
wlan: WCNSS hardware version WCN v2.0 RadioPhy vIris_TSMC_2.0 with 48MHz XO
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NM apparently has grown support for ap mode style hotspots. It should
be possible to write the NM connection file with mode=ap instead of
mode=adhoc.
So, I took Antti's connection file and modified it to use mode=ap
instead of adhoc. I don't get the same stack trace when trying to
activate such
A couple of comments...
Currently Ubuntu uses adhoc for it's Hotspot functionality. This
seems at odds with what other OSes do. Both OSX and Android use
mode=Master which is what's used by Access Points.
When our Hotspot is run in adhoc mode, it:
1. Is invisible to Android, as Android
@Mathieu
What's the difference between the wpasupplicant (Ubuntu) package and the
wpa (Ubuntu) package?
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Title:
[mako] can not create an ad-hoc
When I follow Antti's instructions in comment #2, I get the following
error when trying to activate the hotspot:
root@ubuntu-phablet:~# nmcli c up uuid aab22b5d-7342-48dc-8920-1b7da31d6829
Error: No suitable device found: no device found for connection 'Ubuntu
hotspot'.
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OK, after updating the mac-address in Antti's connection file, I was
able to get this to work. I now see the following when I run the nmcli
command:
root@ubuntu-phablet:~# nmcli c up uuid aab22b5d-7342-48dc-8920-1b7da31d6829
Error: Timeout 90 sec expired.
...and I get the same NetworkManager
And a better snippet... every time the nmcli command is run to bring up
the adhoc connection, the same kernel stack-trace as show in the
description is produced:
Jul 10 21:43:07 ubuntu-phablet wpa_supplicant[1706]: wlan0: Trying to associate
with SSID 'hotspot'
Jul 10 21:43:07 ubuntu-phablet
One other comment, it may well be that since mako's Wi-Fi driver ( qcom
prima? ) is built with P2P support enabled, that adhoc support isn't
really supported...
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Also, it should be noted that NM 0.9.9.8 has support for AP-mode
hotspots. We should investigate how much work it would be to leverage
this as opposed to using the adhoc method.
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We also should investigate the functionality provided by the qcom
wpa_supplicant driver library shipped as part of AOSP:
https://code-
This would be a kernel bug. There is nothing NM can do if the device
says it supports ad-hoc and really doesn't.
** Changed in: network-manager (Ubuntu)
Status: New = Invalid
** Changed in: network-manager (Ubuntu)
Importance: Undecided = Low
** Changed in: wpasupplicant (Ubuntu)
There may or may not be something to do with wpasupplicant here in some
cases; while we need to first make sure ad-hoc works at all with the
wcnss driver, there may be work needed in wpasupplicant as well, so I'll
mark this Incomplete for wpa for now.
** Package changed: wpasupplicant (Ubuntu) =
** Attachment added: syslog.txt
https://bugs.launchpad.net/ubuntu/+source/wpasupplicant/+bug/1337753/+attachment/4145395/+files/syslog.txt
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You can reproduce by copying this configuration file to the device:
On host:
$ adb push Ubuntu\ hotspot /etc/NetworkManager/system-connections/Ubuntu\
hotspot
On Device:
$ sudo chmod 600 /etc/NetworkManager/system-connections/Ubuntu\ hotspot
$ sudo restart network-manager
$ nmcli c up uuid
** Description changed:
When trying to create an adhoc network using network-manager with mako
kernel Linux ubuntu-phablet 3.4.0-5-mako #28-Ubuntu SMP PREEMPT Fri Mar
28 15:20:22 UTC 2014 armv7l armv7l armv7l GNU/Linux the creation fails
with:
- Jul 3 09:09:01 ubuntu-phablet
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